IT1127603B - PROCEDURE FOR CONTROL OF REFERENCE AREAS AND DEVICE FOR ITS PRACTICAL IMPLEMENTATION - Google Patents

PROCEDURE FOR CONTROL OF REFERENCE AREAS AND DEVICE FOR ITS PRACTICAL IMPLEMENTATION

Info

Publication number
IT1127603B
IT1127603B IT22981/79A IT2298179A IT1127603B IT 1127603 B IT1127603 B IT 1127603B IT 22981/79 A IT22981/79 A IT 22981/79A IT 2298179 A IT2298179 A IT 2298179A IT 1127603 B IT1127603 B IT 1127603B
Authority
IT
Italy
Prior art keywords
procedure
control
practical implementation
reference areas
areas
Prior art date
Application number
IT22981/79A
Other languages
Italian (it)
Other versions
IT7922981A0 (en
Original Assignee
Cii Honeywell Bull
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cii Honeywell Bull filed Critical Cii Honeywell Bull
Publication of IT7922981A0 publication Critical patent/IT7922981A0/en
Application granted granted Critical
Publication of IT1127603B publication Critical patent/IT1127603B/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
IT22981/79A 1978-05-26 1979-05-25 PROCEDURE FOR CONTROL OF REFERENCE AREAS AND DEVICE FOR ITS PRACTICAL IMPLEMENTATION IT1127603B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7815764A FR2426940A1 (en) 1978-05-26 1978-05-26 METHOD OF CHECKING THE REFERENCE ZONES OF AN INFORMATION MEDIA AND DEVICE FOR IMPLEMENTING IT

Publications (2)

Publication Number Publication Date
IT7922981A0 IT7922981A0 (en) 1979-05-25
IT1127603B true IT1127603B (en) 1986-05-21

Family

ID=9208744

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22981/79A IT1127603B (en) 1978-05-26 1979-05-25 PROCEDURE FOR CONTROL OF REFERENCE AREAS AND DEVICE FOR ITS PRACTICAL IMPLEMENTATION

Country Status (6)

Country Link
US (1) US4271522A (en)
JP (1) JPS6058540B2 (en)
DE (1) DE2921293A1 (en)
FR (1) FR2426940A1 (en)
GB (1) GB2024471B (en)
IT (1) IT1127603B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3150061A1 (en) * 1981-12-17 1983-06-23 Polygram Gmbh, 2000 Hamburg METHOD FOR DETERMINING INTERFERENCE IMPULSES FOR SIGNALS RECORDED ON SOUND CARRIERS
JPS62180568A (en) * 1986-02-04 1987-08-07 Sony Corp Defect detecting device for discoid recording medium
JPS6462740A (en) * 1987-09-02 1989-03-09 Oki Electric Ind Co Ltd Reading/writing circuit for memory card
US4965782A (en) * 1988-05-26 1990-10-23 Storage Technology Partners Ii Off-track bit shift compensation apparatus
US7425719B2 (en) * 2005-01-13 2008-09-16 Wd Media, Inc. Method and apparatus for selectively providing data from a test head to a processor
US8040626B2 (en) 2009-09-25 2011-10-18 Stmicroelectronics, Inc. High-rate transition control code for magnetic recording channels

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1485875A (en) * 1965-06-29 1967-06-23 Rca Corp System for magnetic recording and reproduction of digital information
US3725861A (en) * 1971-11-10 1973-04-03 Ibm Apparatus and method for establishing exact record reorientation after error condition in a data storage subsystem
US3956736A (en) * 1972-05-24 1976-05-11 Jacques James O Disc cartridge sector formatting arrangement and record addressing system
JPS5143367B2 (en) * 1972-07-07 1976-11-20
US3863228A (en) * 1973-12-13 1975-01-28 Honeywell Inf Systems Apparatus for detecting and elminating a transfer of noise records to a data processing apparatus
FR2336768A1 (en) * 1975-12-24 1977-07-22 Honeywell Bull Soc Ind METHOD FOR MOVING A MOBILE SYSTEM RELATIVE TO AN INFORMATION-RECORDING MEDIUM AND DEVICE FOR IMPLEMENTING IT
FR2346806A1 (en) * 1976-03-31 1977-10-28 Honeywell Bull Soc Ind MODE OF WRITING ADDRESS ON MAGNETIC RECORDING MEDIUM
FR2365178A1 (en) * 1976-09-20 1978-04-14 Cii Honeywell Bull METHOD OF READING ADDRESSES ON A MAGNETIC RECORDING MEDIA AND DEVICE FOR IMPLEMENTING IT
FR2379112A1 (en) * 1977-01-27 1978-08-25 Cii Honeywell Bull METHOD OF WRITING INFORMATION CONCERNING DEFECTS OF A MAGNETIC RECORDING MEDIA

Also Published As

Publication number Publication date
US4271522A (en) 1981-06-02
DE2921293C2 (en) 1987-07-30
GB2024471B (en) 1982-09-08
JPS54156512A (en) 1979-12-10
FR2426940A1 (en) 1979-12-21
FR2426940B1 (en) 1980-10-31
JPS6058540B2 (en) 1985-12-20
GB2024471A (en) 1980-01-09
IT7922981A0 (en) 1979-05-25
DE2921293A1 (en) 1979-11-29

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